From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A44C6C3F2D1 for ; Thu, 5 Mar 2020 17:19:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 834E6207FD for ; Thu, 5 Mar 2020 17:19:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727485AbgCERTN (ORCPT ); Thu, 5 Mar 2020 12:19:13 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:54271 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727982AbgCERPL (ORCPT ); Thu, 5 Mar 2020 12:15:11 -0500 Received: by mail-il1-f199.google.com with SMTP id t11so5138816ill.20 for ; Thu, 05 Mar 2020 09:15:09 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=TApa/K1UpIPJAFj/NkLQICS4FPsU50sEJCQmvi3wabw=; b=hfP501yJLrKldQVvlhxVmG5aoUyrCnF9yBj4h5agvaegEy0cFx4/agYF0M6UuCQWqF z/ybATN9AeiQbTdT7L0N5+tFuyHQAMduHVOo56z6/uAhL5kyo31qbKmosjVZ4u+XE33i ulr/7bBdzH93TIKjF+e0BwwOfbBxjhukZsX3nzpu898ksNA2WYuPK9YPsXb1tge2GmG8 ZKMqa7pAynRwhVMe8hER+VvJTiCCRMXeIqMCHxbF+PefrT0UrcSgXarSt5dP4TFBrsPF kJY35JI7UCWfmD1GvexZeNn5k7gTNIXH2ABAOlmtkdaMQoagsK6Mh4aDmrb0WNKCp62T LYPA== X-Gm-Message-State: ANhLgQ1C1shQ+dafISRaayi3uFWqLFaWQm8IDOxgjhGFJTqrYZOAPx9g rdbqmZYbSv+Pba4Un7h5K0y1+M0BTx5j0LaM5Ho/zZ5IFiff X-Google-Smtp-Source: ADFU+vtjg8db37ytQ8seTPopABARXJlSV1kFMnfYyVCqeguR7BZ9p0EspGnptKV3HZMiMIyxOsBqlqy7Yk/5TCne9X1gpLZXtwAP MIME-Version: 1.0 X-Received: by 2002:a92:8311:: with SMTP id f17mr9233809ild.82.1583428509286; Thu, 05 Mar 2020 09:15:09 -0800 (PST) Date: Thu, 05 Mar 2020 09:15:09 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d2c99705a01ead04@google.com> Subject: WARNING in cxacru_cm/usb_submit_urb From: syzbot To: andreyknvl@google.com, gregkh@linuxfoundation.org, ingrassia@epigenesys.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: d6ff8147 usb: gadget: add raw-gadget interface git tree: https://github.com/google/kasan.git usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=10c21731e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=90a3d9bed5648419 dashboard link: https://syzkaller.appspot.com/bug?extid=00c18ee8497dd3be6ade compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16942bb5e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14b4aa2de00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+00c18ee8497dd3be6ade@syzkaller.appspotmail.com usb 1-1: New USB device found, idVendor=0572, idProduct=cb00, bcdDevice=41.00 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: string descriptor 0 read error: -71 ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 0 PID: 102 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 102 Comm: kworker/0:2 Not tainted 5.6.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xef/0x16e lib/dump_stack.c:118 panic+0x2aa/0x6e1 kernel/panic.c:221 __warn.cold+0x2f/0x30 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478 Code: 4d 85 ed 74 46 e8 18 ce dd fd 4c 89 f7 e8 d0 5c 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 e0 e7 3b 86 e8 a0 5f b2 fd <0f> 0b e9 20 f4 ff ff e8 ec cd dd fd 0f 1f 44 00 00 e8 e2 cd dd fd RSP: 0018:ffff8881d4f56fb8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103a9eade9 RBP: ffff8881d4fa9750 R08: ffff8881d6c14980 R09: ffffed103b646248 R10: ffffed103b646247 R11: ffff8881db23123f R12: 0000000000000001 R13: ffff8881cf17d948 R14: ffff8881c44cd0a0 R15: ffff8881d4fa9200 cxacru_cm+0x3c2/0x8f0 drivers/usb/atm/cxacru.c:650 cxacru_card_status+0x22/0xe0 drivers/usb/atm/cxacru.c:761 cxacru_bind+0x7ab/0x119d drivers/usb/atm/cxacru.c:1213 usbatm_usb_probe+0x2d7/0x1958 drivers/usb/atm/usbatm.c:1053 cxacru_usb_probe+0xdf/0x1e0 drivers/usb/atm/cxacru.c:1367 usb_probe_interface+0x310/0x800 drivers/usb/core/driver.c:374 really_probe+0x290/0xac0 drivers/base/dd.c:551 driver_probe_device+0x223/0x350 drivers/base/dd.c:724 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:831 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431 __device_attach+0x217/0x390 drivers/base/dd.c:897 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0x1459/0x1bf0 drivers/base/core.c:2487 usb_set_configuration+0xe47/0x17d0 drivers/usb/core/message.c:2023 usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241 usb_probe_device+0xd9/0x230 drivers/usb/core/driver.c:272 really_probe+0x290/0xac0 drivers/base/dd.c:551 driver_probe_device+0x223/0x350 drivers/base/dd.c:724 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:831 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431 __device_attach+0x217/0x390 drivers/base/dd.c:897 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0x1459/0x1bf0 drivers/base/core.c:2487 usb_new_device.cold+0x540/0xcd0 drivers/usb/core/hub.c:2544 hub_port_connect drivers/usb/core/hub.c:5191 [inline] hub_port_connect_change drivers/usb/core/hub.c:5331 [inline] port_event drivers/usb/core/hub.c:5477 [inline] hub_event+0x21cb/0x4300 drivers/usb/core/hub.c:5559 process_one_work+0x94b/0x1620 kernel/workqueue.c:2264 worker_thread+0x96/0xe20 kernel/workqueue.c:2410 kthread+0x318/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches